13581729893 has 8 divisors (see below), whose sum is σ = 13699052640. Its totient is φ = 13464687600.

The previous prime is 13581729871. The next prime is 13581729899. The reversal of 13581729893 is 39892718531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13581729893 - 2⁶ = 13581729829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13581729899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27746 + ... + 167132.

It is an arithmetic number, because the mean of its divisors is an integer number (1712381580).

Almost surely, 2^13581729893 is an apocalyptic number.

It is an amenable number.

13581729893 is a deficient number, since it is larger than the sum of its proper divisors (117322747).

13581729893 is a wasteful number, since it uses less digits than its factorization.

13581729893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140227.

The product of its digits is 3265920, while the sum is 56.

The spelling of 13581729893 in words is "thirteen billion, five hundred eighty-one million, seven hundred twenty-nine thousand, eight hundred ninety-three".